Public water system · OK3002402
ActiveVance Afb
At a glance
Vance Afb (PWSID OK3002402) is an active community water system in Garfield County, Oklahoma. It reports serving 3,231 people through 592 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by the federal government. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in September 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,231
Service connections
592
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Vance Afb compare with other water systems in Garfield County?
By EPA's size categories, Vance Afb is a small system (501 to 3,300 people). Garfield County has 22 active public water systems, and Vance Afb is the 2nd-largest of them by population served. Its population served is about 14% above the county average of 2,831 people per system, and accounts for 5.2% of the 62,290 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active community water system reports serving 6,703 people, so Vance Afb is about half of that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Oklahoma has 864 active community water systems, 69% of the state's 1,254 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 67 Oklahoma systems (5.3%) list purchased groundwater as their primary source.
Who owns and regulates Vance Afb?
EPA lists Vance Afb as owned by the federal government. The OK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 22 active systems in Garfield County (4.5%) are also owned by the federal government.
Does Vance Afb have drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in September 2014. The violations listed here began between June 1993 and September 2014. By type: 3 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 5 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2014-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-06-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Vance Afb: frequently asked questions
Who runs Vance Afb?
Vance Afb (PWSID OK3002402) is a community water system owned by the federal government. It is regulated by the OK state drinking water program.
How many people does Vance Afb serve?
Vance Afb reports serving 3,231 people through 592 service connections in Garfield County, Oklahoma.
Where does Vance Afb get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Vance Afb have any drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in September 2014. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Vance Afb's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in September 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Vance Afb's water quality report?
As a community water system, Vance Afb must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Garfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Enid | Garfield | 49,347 | Community | Surface water |
| Garfield Co Rwd #5 | Garfield | 1,980 | Community | Groundwater |
| Waukomis Pwa | Garfield | 1,366 | Community | Groundwater |
| Garfield Co Rwd #6 | Garfield | 1,225 | Community | Groundwater |
| Garber Municipal Authority | Garfield | 725 | Community | Purchased groundwater |
| Highpoint MHP | Garfield | 600 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Vance Afb, PWSID OK3002402, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/vance-afb-ok3002402 (data as of October 1, 2026).